ES2000905A6 - Pump with continuous inflow and pulsating outflow. - Google Patents

Pump with continuous inflow and pulsating outflow.

Info

Publication number
ES2000905A6
ES2000905A6 ES8602012A ES8602012A ES2000905A6 ES 2000905 A6 ES2000905 A6 ES 2000905A6 ES 8602012 A ES8602012 A ES 8602012A ES 8602012 A ES8602012 A ES 8602012A ES 2000905 A6 ES2000905 A6 ES 2000905A6
Authority
ES
Spain
Prior art keywords
chamber
pump
walls
drive ring
passage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES8602012A
Other languages
Spanish (es)
Inventor
Stig Lundback
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Astra Tech AB
Original Assignee
Astra Tech AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Astra Tech AB filed Critical Astra Tech AB
Publication of ES2000905A6 publication Critical patent/ES2000905A6/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/08Machines, pumps, or pumping installations having flexible working members having tubular flexible members
    • F04B43/088Machines, pumps, or pumping installations having flexible working members having tubular flexible members with two or more tubular flexible members in series

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Transmissions By Endless Flexible Members (AREA)
  • General Details Of Gearings (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
  • Pipe Accessories (AREA)
  • Flow Control (AREA)
  • External Artificial Organs (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A pump with a continuous inflow and a pulsating outflow comprises a first chamber and a second chamber with a passage between them and made at least partly from a flexible material. There is an inlet to the first chamber and an outlet from the second chamber. The passage between the chambers has a one-way valve permitting flow only in a direction from the first to the second chamber. A second one-way valve located at the outlet permits flow only in a direction out of the second chamber. The chambers are movably supported in a pump casing having a first and a second opening. The inlet is connected to and penetrates the first opening, and the outlet is connected to and penetrates the second opening. A drive arrangement reduces the volume of the second chamber to expel the pumped medium while simultaneously enabling the walls of the first chamber to increase the volume and permit the pumped medium to flow through the inlet into the first chamber. The drive means includes a drive ring surrounding the passage and fixed to it, which drive ring has surfaces engageable with the first and the second chamber walls in a way that the medium taken in between periods when the drive means is affecting the chamber walls controls the output of the pump by defining the receding movement of the drive ring, which movement is a function of the differential pressure force resulting from a difference in areas of engagement with the respective chamber walls on opposite sides of the drive ring.
ES8602012A 1985-09-20 1986-09-19 Pump with continuous inflow and pulsating outflow. Expired ES2000905A6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8504362A SE8504362D0 (en) 1985-09-20 1985-09-20 PUMP WITH CONTINUOUS INFLUENCE AND PULSATIVE OUTflow

Publications (1)

Publication Number Publication Date
ES2000905A6 true ES2000905A6 (en) 1988-03-16

Family

ID=20361466

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8602012A Expired ES2000905A6 (en) 1985-09-20 1986-09-19 Pump with continuous inflow and pulsating outflow.

Country Status (18)

Country Link
US (1) US4750868A (en)
EP (1) EP0221034B1 (en)
JP (1) JP2605027B2 (en)
KR (1) KR950013014B1 (en)
AT (1) ATE50028T1 (en)
AU (1) AU589220B2 (en)
BR (1) BR8607184A (en)
CA (1) CA1255965A (en)
DE (1) DE3668669D1 (en)
DK (1) DK228287D0 (en)
ES (1) ES2000905A6 (en)
FI (1) FI881312A0 (en)
GR (1) GR862382B (en)
IN (1) IN167039B (en)
NO (1) NO164936C (en)
SE (1) SE8504362D0 (en)
WO (1) WO1987001769A1 (en)
ZA (1) ZA866776B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE462782B (en) * 1989-01-16 1990-09-03 Guenther Georg Nabholz IMPLANTABLE BLOOD PUMP
SE9002051L (en) * 1990-06-07 1992-01-07 Astra Tech Ab VALVE DEVICE AND SUPPLY PUMP
US5441392A (en) * 1990-06-07 1995-08-15 Humanteknik Ab Apparatus for repetitively dispensing a measured volume of liquid
SE9002050L (en) * 1990-06-07 1992-01-07 Astra Tech Ab Dosing pump
SE9002045L (en) * 1990-06-07 1992-01-07 Astra Tech Ab FLAP VALVE DEVICE
US5699934A (en) * 1996-01-29 1997-12-23 Universal Instruments Corporation Dispenser and method for dispensing viscous fluids
KR100291161B1 (en) * 1998-08-14 2001-06-01 김성철 Diaphragm pump
US20030039558A1 (en) * 1999-06-25 2003-02-27 Kolb Richard P. Fuel pump
US6723062B1 (en) * 1999-09-03 2004-04-20 Baxter International Inc. Fluid pressure actuated blood pumping systems and methods with continuous inflow and pulsatile outflow conditions
US20060178612A9 (en) * 1999-09-03 2006-08-10 Baxter International Inc. Blood processing systems with fluid flow cassette with a pressure actuated pump chamber and in-line air trap
US6358023B1 (en) * 2000-08-23 2002-03-19 Paul Guilmette Moment pump
US20020173695A1 (en) * 2001-05-16 2002-11-21 Mikhail Skliar Physiologically-based control system and method for using the same
US20050159639A1 (en) * 2002-05-15 2005-07-21 Mikhail Skliar Physiologically based control system and method for using the same
RU2252037C1 (en) * 2003-10-14 2005-05-20 Германов Евгений Павлович System for correcting biological fluid

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097366A (en) * 1963-07-16 Winchell
US385853A (en) * 1888-07-10 Ernest c
US2019160A (en) * 1932-08-12 1935-10-29 Semsch Franz Flexible container
US2629538A (en) * 1948-05-06 1953-02-24 James B Replogle Oscillating electrical compressor
US2678202A (en) * 1949-08-03 1954-05-11 Brake Leslie Harold Improvements in and relating to apparatus for generating gas
US2830757A (en) * 1955-12-29 1958-04-15 Romanoff Harold Aquarium aerating pump
US3037686A (en) * 1957-10-01 1962-06-05 Kaletsch Reinhold Pump
JPS4323642Y1 (en) * 1966-08-01 1968-10-05
US3656873A (en) * 1970-11-06 1972-04-18 Peter Schiff Pulsatile by-pass blood pump
JPS5122379Y2 (en) * 1971-09-16 1976-06-09
US3950761A (en) * 1973-01-04 1976-04-13 Casio Computer Co., Ltd. Ink pressurizing apparatus for an ink jet recorder
AU5724080A (en) * 1975-12-24 1980-07-17 T.M.B. Industrial Maintenance Ltd. Fluid driven reciprocating diaphragm pump
JPS53111502A (en) * 1977-03-02 1978-09-29 Hitachi Chem Co Ltd Solenoid type diapharagm capsule pump and its vibrator
US4286932A (en) * 1978-02-14 1981-09-01 Nippondenso Co., Ltd. Diaphragm pump
IT7922221V0 (en) * 1979-07-27 1979-07-27 Euram Italia DISPENSER OF ALUMINUM SHEETS OR SIMILAR MATERIAL.
FR2473646A1 (en) * 1980-01-11 1981-07-17 Eta Sa VOLUMETRIC PUMP
FR2551505B1 (en) * 1983-08-31 1988-02-26 Groupe Indl Realisa Applic Gir PUMPING SYSTEM FOR LIQUID PHASE CHROMATOGRAPHY
SE8401778L (en) * 1984-03-30 1985-10-01 Astra Tech Ab PUMP, SPECIFIC TO BLOOD AND SIMILAR

Also Published As

Publication number Publication date
DE3668669D1 (en) 1990-03-08
DK228287A (en) 1987-05-05
IN167039B (en) 1990-08-18
KR950013014B1 (en) 1995-10-24
AU6402686A (en) 1987-04-07
JP2605027B2 (en) 1997-04-30
NO164936B (en) 1990-08-20
FI881312A (en) 1988-03-18
NO164936C (en) 1990-11-28
WO1987001769A1 (en) 1987-03-26
ZA866776B (en) 1987-05-27
US4750868A (en) 1988-06-14
NO872069L (en) 1987-05-18
GR862382B (en) 1987-01-20
EP0221034A1 (en) 1987-05-06
CA1255965A (en) 1989-06-20
ATE50028T1 (en) 1990-02-15
KR880700168A (en) 1988-02-20
JPS63501027A (en) 1988-04-14
NO872069D0 (en) 1987-05-18
BR8607184A (en) 1988-09-13
FI881312A0 (en) 1988-03-18
SE8504362D0 (en) 1985-09-20
DK228287D0 (en) 1987-05-05
EP0221034B1 (en) 1990-01-31
AU589220B2 (en) 1989-10-05

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2006-09-19